Most Linux developers (both kernel and userland) seemed to learn very little from Plan 9, except in very limited areas. Other Unix developers, even less. I thin

Most Linux developers (both kernel and userland) seemed to learn very little from Plan 9, except in very limited areas. Other Unix developers, even less. I think it made very little "mindshare progress" until Go and even today it's a (loud, but) minority view in the Go community. I wonder if it ever troubled him he had vastly more influence with the "first draft" than the more refined system.